baber/WOPTO huggingface dataset:
Patent GB-1067992-A (GB)
Title: Improvements in or relating to derivatives of nitrofuran
IPC: C07D405/04
Filed: 1963-12-16
Abstract: The invention comprises 5-nitro-2-furyl-triazoline compounds of the formula <FORM:1067992/C2/1> wherein R represents a hydrogen atom or a methyl, acetyl, 2-hydroxyethyl or diethylthiophosphonyl group and R1 represents an oxygen atom or an imino or acetylimino group, and a process for their preparation comprising reacting an alkyl 5-nitro-2-furimidate salt with a compound of the formula <FORM:1067992/C2/2> wherein A represents a hydrogen atom or a 2-hydroxyethyl or methyl group and 2 represents an oxygen atom or an imino group, and heating the N-substituted-5-nitro-2-furamidine so obtained in a solvent to effect ring closure thereof, the resulting cyclized product being reacted, if necessary, with an acetylating agent, a methylating agent, ethylene bromohydrin or O,O-diethylthiophosphoryl chloride to introduce the appropriate substituent group into the triazoline ring.  Acetylation of the imino group in the triazoline ring is preferably effected by heating the cyclized product with an acetylating agent in the presence of dry hydrogen chloride.  Alternatively, 1-acetyl-5-imino-3 - (5 - nitro - 2 - furyl) - D 2 - 1,2,4 - triazoline may be rearranged to 5-acetylimino-3-(5-nitro-2-furyl)-D 2-1,2,4-triazoline by heating in a high boiling solvent, e.g. benzophenone, at 50 DEG  to 295 DEG  C. Ethyl 5-nitro-2-furimidate hydrochloride is prepared by passing dry hydrogen chloride gas through a cooled suspension of 5-nitro-2-furo-nitrile in anhydrous ethanol.  Parasiticidal compositions comprise a compound of the invention together with an inert, non-toxic diluent or carrier.  The compositions may be formulated as tablets, suspensions, elixirs, solutions or troches. In veterinary use the active ingredient may be administered in the feed and water supply of animals.
Patent GB-1083008-A (GB)
Title: Improvements in or relating to composite filaments
IPC: D02G1/14
Filed: 1964-12-07
Abstract: 1,083,008. Making composite filaments. KANEGAFUCHI BOSEKI KABUSHIKI KAISHA. Dec. 7, 1964 [Dec. 7, 1963], No. 49671/64. Heading B5B. Composite filaments are made by the conjugate spinning of two kinds of linear synthetic polymer in such a way that the resulting composite filament has a cross-section in which one of the two components surrounds the other in a manner free from eccentricity, and by thereafter mechanically deforming the composite filament in such a manner that the two components thereof assume an eccentric relationship to each other. The mechanical deformation may be effected by edge crimping the filament by causing it to travel over and in contact with a heated sharp knife edge or an edge having a minute radius of curvature, or by compressing the filament by causing it to travel through the nip of a pair of heated rolls, a pair of heated mutually engaging gear-wheels or through the nip of a pair of heated rolls, one of which has a plain peripheral surface and the other has an indented peripheral surface. The polymers may be two kinds of nylon 6 differing in intrinsic viscosity as determined by measurements carried out at 30‹ C. in solutions of the polymer in meta-cresol. The conjugate filament may be spun in such a manner that the polymer of lower intrinsic viscosity constitutes the outer component. The conjugate filament thus formed may be edge crimped over a knife edge heated to 120‹ C. One of the polymers may be a nylon 6 and the other may be a polymer formed by reacting undecamethylene diamine terephthalate with 8-caprolactam or may be a polymer formed by reacting the adipate of metaxyliden with its acetate. The composite filament may be produced by the conjugate spinning of two different polyesters.
Patent GB-1068167-A (GB)
Title: Improvements relating to vibration-absorbing means of air springs
IPC: F16F9/04
Filed: 1963-12-17
Abstract: 1,068,167. Air springs. TOYO GOMU KOGYO KABUSHIKI KAISHA (Toyo Rubber Industry Co. Ltd.). Dec. 17, 1963 [Dec. 27, 1962], No. 49832/63. Heading F2S. An air spring assembly comprises an air spring 10 connected to an air chamber 13 by a pipe 12, the pipe being arranged in the air chamber. The air column in the pipe is supported by the air spring and the elasticity of the air in the air chamber whereby an auxiliary vibration system is formed. In the construction shown the air spring 10 is provided with a variable throttle device 11, including inlet and outlet valves mounted i'n a pan-like part 15.
Patent GB-1359231-A (GB)
Title: Machine for manufacturing wound wire rings
IPC: B21F3/00
Filed: 1971-10-27
Abstract: 1359231 Winding toroidal coils J LEGER 27 Oct 1971 [28 Oct 1970] 49864/71 Heading B3E A machine for helically winding a wire around a wire ring 14 comprises a frame 10 having drive rollers 11-13 for rotating the ring about its axis, a horizontally mounted rotatable plate 21 having a slot 24 extending to the centre of the plate for insertion of the ring to the plate centre, and a spool 30 which is eccentrically mounted on the plate and is geared so that, as the plate rotates, the spool axis remains parallel to the ring axis. The spool gearing includes a gear on the spool spindle which is driven by two further gears which mesh with a stationary gear having an insertion slot. The wire is guided from the spool by an eyelet mounted to the spool by ball-and-socket joints. The position of the drive rollers 11-13 can be adjusted for varying ring diameters and the plate 21 is driven by gears 23.
Patent GB-1324792-A (GB)
Title: Microelectronic component manufacture
IPC: G03F1/54
Filed: 1970-10-21
Abstract: 1324792 Electrolysis used in preparation of a photo-mask INTERNATIONAL BUSINESS MACHINES CORP 21 Oct 1970 [5 Nov 1969] 49917/70 Heading C7B [Also in Division G2] In the preparation of a photo-mask for microelectronic component production (see Division G2-G3) a photographic gelatine emulsion containing a silver image is etch-bleached by an aqueous solution of H 2 O 2  citric acid and either (i) CuCl 2  with or without urea or (ii) CuSO 4  and KBr in an electrolytic cell containing a stainless steel cathode (11) with a ridge (12) which produces bubbles which dislodge waste products from the emulsion, and a platinum plated titanium screen (20) as anode. The etch-bleach solution may also contain a dye.
Patent GB-1451606-A (GB)
Title: Cleaning device including a rotary mop
IPC: A47L17/00
Filed: 1972-11-03
Abstract: 1451606 Hand-supported rotary mops R G DIXON & CO Ltd 5 Oct 1973 [3 Nov 1972] 50796/72 Heading A4K A device for cleaning dishes, cookers, &c, has a hand-held rotating mop 1 driven from a motor 7 via a reducing gear 8 and a flexible drive 3, the mop being driven at speeds less than 600 r.p.m., the motor 7 and gear 8 being mounted in a housing 9 which is spring-loaded and pivoted at 10 within a casing 5 which can store the drive 3. The housing 9 is biased to a position in which the drive is stored by springs 11 and 12. Mop 1 is of abrasiveimpregnated nylon.
Patent GB-1534490-A (GB)
Title: Slide projectors
IPC: A61B3/032
Filed: 1977-12-08
Abstract: 1534490 Optical projectors with disc-form slide carriers AMERICAN OPTICAL CORP 8 Dec 1977 [8 Dec 1976] 51229/77 Heading G2J Apparatus for controlling a projector for e.g. ophthamlic use. The projector has rotatable coaxial discs 12, 14, 16, Fig. 1 each provided with apertures, in which slides can be mounted, around the edge of the disc. The discs are driven by motors 62, 64, 66, Fig. 9 to bring any apertures on a disc into line with the optical axis. The controlling apparatus includes means 82 for detecting the angular position of each disc and for providing a signal representing that position, means for entering a desired position into a memory, and a comparator 86 for comparing the detector signal with the memory output, and means for controlling the motors in accordance with the comparator output. The circuit may be designed so that the motors drive the discs to their new positions by the shortest route. Slides carried on one disc may be rotatable about their own axes by a further motor, for use in testing astigmatism.
Patent GB-1498640-A (GB)
Title: Shaving unit for safety razor
IPC: B26B21/54
Filed: 1975-12-15
Abstract: 1498640 Razor blades WARNER-LAMBERT CO 15 Dec 1975 [13 Dec 1974] 51360/75 Heading B4B A shaving unit for a safety razor comprises a pair of double-edged razor blades 81, 82 separated by a spacer member 80 which is secured to both blades by means, e.g. spot welds 20 to 23 and 24 to 27 and an aperture 83 to 85 for securing the unit to the safety razor. The cutting edges of the blade 81 are set back in relation to the cutting edges of the blade 82. The unit is inter-connected at its ends by tabs 70 to 75 which flex when the  blade unit is clamped in the razor by pivoted covers 41, 42, Fig. 3. The blades may be secured to the spacer by adhesive instead of welding and the spacer may be of plastics material. The cutting edges may be bevelled asymmetrically so as to increase the distance between the two cutting edges.
Patent GB-1379430-A (GB)
Title: Method for producing vinylidene chloride resin film having high  lubricating property
IPC: B29C55/28
Filed: 1972-11-10
Abstract: 1379430 Copolymer films KUREHA KAGAKU KOGYO KK 10 Nov 1972 [12 Nov 1971] 52012/72 Heading B5B Vinylidene chloride-vinyl chloride copolymer films are made by extruding a composition com - prising a copolymer composed of 50 to 95% by weight of vinylidene chloride and 50 to 5% by weight of vinyl chloride into a tubular form, immediately quenching said tubular extrudate, then heating the quenched tube to a temperature of from 5 to 80‹ C. for a period of from 1 to 60 seconds to create nuclei of spherulities, and subjecting the tube to inflation whereby the resulting tubular film has a uniformly coarse surface throughout. The composition may include plasticizers such as dibutyl sebacate, and/or a condensate of adipic acid and propanediol, stabilizers such as epoxidized soybean oil and high polymers in an amount up to 10 parts by weight of the composition, e.g. an ethylene/ vinyl acetate/ethyl acrylate terpolymer. The heating of the extrudate may be effected by spraying water in the desired temperature range on to the extrudate, or heating it with hot air from an electric furnace, or heating it by infrared lamps or by passing the extrudate through an isothermal bath. The films are used for packing foodstuffs.
Patent GB-1455910-A (GB)
Title: Process for the preparation of 1alpha-hydroxycholecalciferol and intermediate for use in said process
IPC: C07C67/00
Filed: 1974-12-02
Abstract: 1455910 Calciferol derivatives; cholestenes WISCONSIN ALUMNI RESEARCH FOUNDATION 2 Dec 1974 [3 Dec 1973] 52047/74 Headings C2V and C2U In a process for the preparation of 1α-hydroxycholecalciferol of formula cholesta - 1,5,7 - trien - 3# - ol is reacted with a triazoline-3,5-dione to obtain the novel adduct of formula where R<SP>1</SP> is an alkyl or aryl group; this is reacted with an epoxide to obtain the novel compound which is reduced with an alkali metal aluminium hydride to cholesta-5,7-diene-1α,3#-diol, the latter being radiated with ultraviolet rays and allowed to stand in the dark to obtain 1α- hydroxycholecalciferol of Formula I. An example is described.
Patent GB-1172382-A (GB)
Title: A Vehicle Rear-View Mirror Combined with a Flashing Turn Indicator
Inventor: MARUYAMA SHIGERU
IPC: B62J29/00
Filed: 1966-11-23
Abstract: 1,172,382. A vehicle rear-view mirror flashing turn-indicator unit. S. MARUYAMA. 22 Nov., 1967 [23 Nov., 1966], No. 52380/66. Heading B7J. [Also in Division G4] A vehicle rear-view mirror combined with a flashing turn-indicator comprises a partially light-transmitting mirror 1 and a coloured indicator lamp 2 separated by a louvred shutter which directs light through the mirror 1 in a direction away from the driver so that the mirror may be used simultaneously with the turnindicator. The lamp side of each shutter blade is reflective, and the mirror side thereof is non- reflective. The shutter blades may be metal, plastics or paper, and their number is optional. A screen having an arrow-shaped opening in it is disposed between the mirror 1 and the shutter; or the shutter itself is formed with an arrowshaped opening. A coloured lens 10 covers an opening in the housing 3 so that the lamp can be seen from the front and side of the vehicle.
Patent GB-1117286-A (GB)
Title: Pulse generator
IPC: H02M1/08
Filed: 1966-11-28
Abstract: 1,117,286. Rectifying. WESTINGHOUSE ELECTRIC CORPORATION. 28 Nov., 1966 [3 Jan., 1966], No. 53076/66. Heading H2F. A pulse generator comprises a capacitor repetitively charged from a first alternating voltage source and discharged via a controlled switching element and the primary of a saturable transformer so as to provide pulses in the secondary; the switching element being made conductive at a time in each cycle dependent on the response of an active element to the combination of a control signal and a second alternating voltage. Fig. 1 shows a gate pulse generator circuit for triggering the main thyristors of a three-phase bridge rectifier described in Specification 1,117,287 and shown diagrammatically at B. Three-phase voltages are obtained from the secondary windings TX . . . TZ of a transformer having zig-zag connections to provide 16 degrees lead. The voltages are filtered by R.C. circuits Rx, Cx ... Rz, Cz giving 16 degrees lag before being fed to two input transformers TF1, TF2 of gate pulse generators GP-1 ... GP-3 each containing two " mirror-image " pulse generators, one of which employs a transistor Q1 controlling thyristor S1 whilst the other employs transistor Q<SP>1</SP>1 and thyristor S<SP>1</SP>1. The alternating voltage at Tx<SP>11</SP>, Tz<SP>11</SP> is fed via a further phase shifter Rb, Ca, Rd, giving 90 degrees shift at the secondary of transformer TF1 with respect to that at TF2. This phase shift compensates for the cosine relationship between the control signal (referred to above) at Vcl and the output voltage of the rectifier B. Bias voltage V1 for the collector of transistor Q 1 is derived by rectification of the output from a winding (not shown) of TF1 and supplying it between terminals T21 and T14. The bias is smoothed by capacitor Cf. A further bias voltage V2 for the base of Q1 is stabilized by diode D10 and Zener diode Dz. Capacitor C2 is charged via D3 during positive half cycles from TF2. Transistor Q1 is saturated during positive peaks of the voltage from TF1 but becomes non- conductive at a phase angle relative to the main supply, adjustable by variation of the control signal Vc1 or by adjustment of potentiometer R14. The resultant increase in collector voltage of Q1 triggers thyristor S1 which discharges capacitor C2 via the primary of transformer Tf3, saturation of which causes the output pulse from the secondary to be completed within 20 Ás. This pulse is fed via a pulse amplifying thyristor Sa (see Specification 1,117,287) to trigger one of the main thyristors in a three-phase bridge rectifier. Diode D4 presents pulses being generated during the greater part of the wrong half cycle from Tf2. The other five circuits provide pulses displaced in phase by 60 degrees to trigger the other main thyristors of the bridge. Pulse suppression circuit.-Thyristor Ss may be triggered from terminals Ts so as to shortcircuit bias V1 and inhibit triggering of any of the pulse generators GPG-1 ... GPG-3.
Patent GB-1446841-A (GB)
Title: Spraying apparatus and control apparatus therefor
IPC: B05B14/00
Filed: 1973-11-16
Abstract: 1446841 Spraying apparatus B P B INDUSTRIES Ltd 13 Nov 1974 [16 Nov 1973] 53348/73 Heading B2L [Also in Division Dl] Apparatus for spraying sheets or a web includes a screen 8 movable at the dictates of a sensor 16 sensing the speed of the sheet or web. The spray from nozzles 1 is interrupted by the movable screen 8, material being returned to a reservoir 6. Sensor 16 detects the speed of the article 2 to be coated, and adjusts the screen position so that the amount of spray material per unit area is constant. A cam arrangement 19 compensates for the non- uniformity of the spray pattern. If the nozzles are horizontal the screen may be vertical and include a gutter. Both sides of the article may be coated by diverting the article and appropriate positioning of the nozzles and screens.
Patent GB-1286696-A (GB)
Title: Dry transfers
Inventor: PIRON JEAN GUSTAVE JULES
IPC: B44C1/17
Filed: 1969-10-31
Abstract: 1286696 Nitrocellulose inks; adhesives and inks J G J PIRON 31 Oct 1969 [8 Nov 1968] 53589/69 Addition to 1240794 Headings C3F and C3P [Also in Division B6] An adhesive used in a transfer comprises polyisobutylenes, polyvinylethyl ethers, polyvinylisobutyl ethers or polyacrylates, with methyl abietate, dihydrobiethyl phthalate, dimethylphthalate, dinonyl adipate or di- (2 - ethylhexyl)adipate, solid particles which may be of pyrogenic silica and a volatile material which may contain white spirit, turpentine, 2-ethylbutanol, cyclohexanol, 1,1,1-trichloroethane, trichloroethylene, carbon tetrachloride, toluene and/or xylene. The transfer may be printed with an ink comprising a linear thermoplastic resin such as polyvinyl butyral or nitrocellulose, with a plasticizer and a non-volatile liquid which diffuses into the adhesive. Formulµ for adhesives and inks are given.
Patent GB-1214845-A (GB)
Title: Process and catalyst for manufacturing cyclic ketones by catalytic dehydrogenation of cyclic alcohols
Inventor: JUGUIN BERNARD
IPC: B01J21/08
Filed: 1967-11-27
Abstract: 1,214,845. Production of cyclohexanone. INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS. 27 Nov., 1967 [28 Nov., 1966], No. 53879/67. Heading C2C. [Also in Division B1] Cyclic alcohols are dehydrogenated in the presence of a catalyst which comprises (a) 2- 50% ZnO, (b) 0À5-30% of an alkaline earth metal oxide, (c) 0À2-5% of a basic compound of an alkali metal in the form of a free base, the weight of the latter being measured as M 2 O where M is the alkali metal, the remaining part of the catalyst being essentially SiO 2  in an agglomerated form. Typical reaction conditions are 350-450‹ C. L.H.S.V. 0À5-8, pressure of feed and hydrogen 0À1-10 kg./cm.<SP>2</SP>. Examples describe the dehydrogenation of cyclohexanol to cyclohexanone.
Patent GB-1421172-A (GB)
Title: Internal combustion engine for an agricultural tractor
IPC: F02F1/00
Filed: 1972-11-22
Abstract: 1421172 Agricultural tractors J FROST 22 Feb 1974 [22 Nov 1972] 53985/72 Heading B7H [Also in Divisions F1 and F2] An agricultural tractor has an engine with a divided crankshaft, a single cylinder being associated with one section of the crankshaft and the remaining cylinders being associated with the other section of the crankshaft. The single cylinder is turned over manually to start it and when it is running a powder clutch between the two sections of crank-shaft is engaged to turn over and start the remaining cylinders. The tractor in which the engine is fitted is intended for use with a minimum of skilled maintenance and incorporates the following features (a) the engine, transmission and wheel bearings are lined with a material such as resin-bonded asbestos, which may be lubricated with water; (b) power transmission to the rear wheels is through a powder clutch which can only be engaged when the torque is between pre-determined limits; (c) all wheels are braked and mechanical assistance is provided for the brakes; (d) to improve wheel grip an endless wire reinforced tread-surfaced belt 150 runs around each rear wheel and around a movable jockey pulley 152 which can be raised to lift the lower rim of the belt clear of the ground. Machine driven devices, actuated in response to the position of the steering gear cause the inner belt to be lifted as the tractor turns, to prevent ground damage; (e) vaporizing fuel type lamps are provided, ignited by the engine magneto.
Patent GB-1451927-A (GB)
Title: Method and device for reducing electrostatic space potential in  a storage space
IPC: B08B9/093
Filed: 1973-11-22
Abstract: 1451927 Reducing electrostatic potential in a storage space SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 22 Nov 1973 [24 Nov 1972] 54246/73 Heading A5A The electrostatic space potential of an electrostatic space charge in a storage space of storage equipment is reduced 'by injecting into the space water droplets of such a size that they will float in the space from atomizing nozzles projecting into the space charge and fed from earthed water supply lines 3, 4, 5. Each nozzle comprises a tube section 11, tapering section 12 and a channel 14 to give a droplet size of 100 microns or smaller. The nozzles are preferably located in regions of high space potential. Elongated earthing conduits may also be provided.
Patent GB-1451225-A (GB)
Title: Device for preventing accumulation of static electricity in a machine having a belt driven spindle or shaft
IPC: D01H13/00
Filed: 1973-11-23
Abstract: 1451225 Bearings; vibration damping TOYODA JIDOSHOKKI SEISAKUSHO KK and DAIWA BOSEKI KK 23 Nov 1973 [24 Nov 1972] 54579/73 Headings F2A and F2S A spindle 2 is driven by a belt 4 and is mounted in an earthed machine frame 6 by way of a conductive bearing assembly 3, a non- conductive vibration - absorbing resilient member 5 and a conductive sleeve 7, aligned bores 8 in the components 5, 7 receiving a helical spring 10 held in place by a threaded member 9. The spring 10 bears on the spindle 2 and, by providing a conductive path between assembly 3 and sleeve 5, prevents the undesirable accumulation of static electricity on the shaft 2. A plate spring or a conductive paint mixture may replace the helical spring 10 (Figs. 2 and 6, not shown). In other embodiments the conductive path is constituted by: a plate spring secured at one end to an outer face of the sleeve 7 with its free end resiliently contacting the assembly 3 (Fig. 3, not shown); a flexible spring, or a conductive tape, with one end secured to the sleeve 7 and its other end secured to the assembly 3 (Figs. 4 and 5, not shown); and a conductive paint mixture which bridges end portion of the sleeve 7 and assembly 3 (Fig. 7, not shown).
Patent GB-1488272-A (GB)
Title: Sealing strips for door openings and the like
IPC: B60R13/06
Filed: 1974-12-19
Abstract: 1488272 Sealing strips DRAFTEX 19 Dec 1974 [9 Jan 1974] 54841/74 Heading E1J A method of forming a corner in a sealing strip having gripping and sealing portions 2, 4, comprises bending the strip so that lengths are in alignment with the arms of the corner, cutting away part of the sealing portion between the lengths and securing a corner piece 18 in the cut-out 17. The gripping portion is of U-section and grips a flange 5 defining the corner, a gap (A) remaining between the flange and portion 2 at the immediate corner. The sealing portion 4 is tubular or lip-shaped and adhered to the gripping portion. The corner piece 18 is secured in cut-out 17 by welding or glueing or may be formed in the cut-out in a mould. The corner piece may be of the same material as the sealing section, e.g. cellular rubber.
Patent GB-1460710-A (GB)
Title: Liquid cleaning compositions
IPC: A23B4/20
Filed: 1972-11-30
Abstract: 1460710 Alkali metal polyphosphates ALBRIGHT & WILSON Ltd 13 Dec 1973 [30 Nov 1972] 55272/72 Heading C1A [Also in Division C5] A liquid cleaning composition comprises an alkali metal hydroxide or silicate and 2-20 wt. per cent (as P 2 O 5 ) of a "builder solution" made by reacting an aqueous polyphosphoric acid solution (82-86 wt. per cent P 2 O 5 ) with an alkali metal hydroxide or carbonate at pH 4-12 and 15-70‹ C. The polyphosphoric acid may be obtained from P 2 O 5  made by burning electrothermally produced phosphorus. The polyphosphoric acid and the base may be run into a cooled, stirred heel. The ratio alkali metal cations : phosphorus atoms may be 1 : 1 to 2 : 1 and the final reaction pH 8-10. The molar ratio Na : K may be 1 : 10 to 5 : 1. The cleaning composition may comprise 0À05-70% (preferably 0À5-3%) surface active agent and 10-15% NaOH or KOH, or 25-40% alkali metal silicate. It may be a hard surface cleaner (e.g. for ovens, bottles or beer kegs).